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High order functions


High order functions that are built in with any array of javascript, that can simplify our needs in a meaningful way.

Map: Creates a new array with the result of the mapped expression

Filter: Creates a new array with the matching values for the expression we need to compare.

Find: Gets the first result out of the expression we evaluate

Reduce: Gets the result of the accumulated value, considering a certain initial value and each value of the array.


This builtin high order functions helps a lot on solving common problems with a declarative language, we also know now what is a high order function